| /* ------------------------------------------------------------------ |
| * Copyright (C) 1998-2009 PacketVideo |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
| * express or implied. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * ------------------------------------------------------------------- |
| */ |
| /* |
| ------------------------------------------------------------------- |
| MPEG-4 Simple Profile Video Decoder |
| ------------------------------------------------------------------- |
| * |
| * This software module was originally developed by |
| * |
| * Paulo Nunes (IST / ACTS-MoMuSyS) |
| * |
| * in the course of development of the MPEG-4 Video (ISO/IEC 14496-2) standard. |
| * This software module is an implementation of a part of one or more MPEG-4 |
| * Video (ISO/IEC 14496-2) tools as specified by the MPEG-4 Video (ISO/IEC |
| * 14496-2) standard. |
| * |
| * ISO/IEC gives users of the MPEG-4 Video (ISO/IEC 14496-2) standard free |
| * license to this software module or modifications thereof for use in hardware |
| * or software products claiming conformance to the MPEG-4 Video (ISO/IEC |
| * 14496-2) standard. |
| * |
| * Those intending to use this software module in hardware or software products |
| * are advised that its use may infringe existing patents. The original |
| * developer of this software module and his/her company, the subsequent |
| * editors and their companies, and ISO/IEC have no liability for use of this |
| * software module or modifications thereof in an implementation. Copyright is |
| * not released for non MPEG-4 Video (ISO/IEC 14496-2) Standard conforming |
| * products. |
| * |
| * ACTS-MoMuSys partners retain full right to use the code for his/her own |
| * purpose, assign or donate the code to a third party and to inhibit third |
| * parties from using the code for non MPEG-4 Video (ISO/IEC 14496-2) Standard |
| * conforming products. This copyright notice must be included in all copies or |
| * derivative works. |
| * |
| * Copyright (c) 1996 |
| * |
| *****************************************************************************/ |
| |
| /***********************************************************HeaderBegin******* |
| * |
| * File: vlc_dec.h |
| * |
| * Author: Paulo Nunes (IST) - Paulo.Nunes@lx.it.pt |
| * Created: |
| * |
| * Description: This is the header file for the "vlcdec" module. |
| * |
| * Notes: |
| * |
| * Modified: 9-May-96 Paulo Nunes: Reformatted. New headers. |
| * |
| * ================= PacketVideo Modification ================================ |
| * |
| * 3/30/00 : initial modification to the |
| * new PV-Decoder Lib format. |
| * |
| ***********************************************************CommentEnd********/ |
| |
| |
| #ifndef _VLCDECODE_H_ |
| #define _VLCDECODE_H_ |
| |
| #include "mp4lib_int.h" |
| |
| #define VLC_ERROR_DETECTED(x) ((x) < 0) |
| #define VLC_IO_ERROR (-1) |
| #define VLC_CODE_ERROR (-2) |
| #define VLC_MB_STUFFING (-4) |
| #define VLC_NO_LAST_BIT (-5) |
| |
| #define VLC_ESCAPE_CODE 7167 |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif /* __cplusplus */ |
| |
| PV_STATUS DecodeUserData(BitstreamDecVideo *stream); |
| PV_STATUS PV_GetMBvectors(VideoDecData *, uint mode); |
| PV_STATUS PV_DecodeMBVec(BitstreamDecVideo *stream, MOT *mv_x, MOT *mv_y, int f_code_f); |
| PV_STATUS PV_DeScaleMVD(int f_code, int residual, int vlc_code_mag, MOT *vector); |
| |
| PV_STATUS PV_VlcDecMV(BitstreamDecVideo *stream, int *mv); |
| int PV_VlcDecMCBPC_com_intra(BitstreamDecVideo *stream); |
| int PV_VlcDecMCBPC_com_inter(BitstreamDecVideo *stream); |
| #ifdef PV_ANNEX_IJKT_SUPPORT |
| int PV_VlcDecMCBPC_com_inter_H263(BitstreamDecVideo *stream); |
| PV_STATUS VlcDecTCOEFShortHeader_AnnexI(BitstreamDecVideo *stream, Tcoef *pTcoef); |
| PV_STATUS VlcDecTCOEFShortHeader_AnnexT(BitstreamDecVideo *stream, Tcoef *pTcoef); /* ANNEX_T */ |
| PV_STATUS VlcDecTCOEFShortHeader_AnnexIT(BitstreamDecVideo *stream, Tcoef *pTcoef); |
| #endif |
| int PV_VlcDecCBPY(BitstreamDecVideo *stream, int intra); |
| |
| PV_STATUS VlcDecTCOEFIntra(BitstreamDecVideo *stream, Tcoef *pTcoef); |
| PV_STATUS VlcDecTCOEFInter(BitstreamDecVideo *stream, Tcoef *pTcoef); |
| PV_STATUS VlcDecTCOEFShortHeader(BitstreamDecVideo *stream, Tcoef *pTcoef); |
| PV_STATUS RvlcDecTCOEFIntra(BitstreamDecVideo *stream, Tcoef *pTcoef); |
| PV_STATUS RvlcDecTCOEFInter(BitstreamDecVideo *stream, Tcoef *pTcoef); |
| PV_STATUS PV_VlcDecIntraDCPredSize(BitstreamDecVideo *stream, int compnum, uint *DC_size); |
| |
| #ifdef __cplusplus |
| } |
| #endif /* __cplusplus */ |
| |
| #endif |
| |